He was actually 295 lbs at the combine (not 285). Not exactly what I would call a tweener but he is probably a prototype 3-4 DE. He also tested better at 295 lbs than Taco Charlton (275), Charles Harris (253), Derek Barnett (259) & Jonathan Allen (286).
If you're going to list his "weaknesses", why not list the strengths?
NFL.com
Dolphins had him in for a visit and you can bet they gave him the psych eval from the Dr.
"...when his feet are right...", "...untapped potential waiting to be unlocked."
the point reamins the same, if the motor isn't running, he's a sloppy player. nobody doubts the potential he has. the risk is whether he will want to "unlock it".